From a2b29f97f00d81b5b3bbb3d580c06ab11a6a731d Mon Sep 17 00:00:00 2001
From: Yufeng <154307556+Raine-4@users.noreply.github.com>
Date: Sat, 6 Jul 2024 11:56:14 +0800
Subject: [PATCH] Update calculus.md

If users are running the code locally in VSCode, the figure won't appear if lack this line of code
---
 chapter_preliminaries/calculus.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/chapter_preliminaries/calculus.md b/chapter_preliminaries/calculus.md
index 77281465ab..3bcd3f9861 100644
--- a/chapter_preliminaries/calculus.md
+++ b/chapter_preliminaries/calculus.md
@@ -272,6 +272,7 @@ def plot(X, Y=None, xlabel=None, ylabel=None, legend=[], xlim=None,
     for x, y, fmt in zip(X, Y, fmts):
         axes.plot(x,y,fmt) if len(x) else axes.plot(y,fmt)
     set_axes(axes, xlabel, ylabel, xlim, ylim, xscale, yscale, legend)
+    # d2l.plt.show() # if you are running the code locally and can't see the figure, try add this line of code.
 ```
 
 Now we can [**plot the function $u = f(x)$ and its tangent line $y = 2x - 3$ at $x=1$**],